Bugs fixed

Author: Spomky

src/Bundle/JoseFramework/DependencyInjection/Source/Encryption/AbstractEncryptionSource.php

@@ -38,23 +38,20 @@ public function getNodeDefinition(NodeDefinition $node)
                                 ->info('A list of supported key encryption algorithms.')
                                 ->useAttributeAsKey('name')
                                 ->isRequired()
-                                ->cannotBeEmpty()
                                 ->requiresAtLeastOneElement()
                                 ->scalarPrototype()->end()
                             ->end()
                             ->arrayNode('content_encryption_algorithms')
                                 ->info('A list of supported content encryption algorithms.')
                                 ->useAttributeAsKey('name')
                                 ->isRequired()
-                                ->cannotBeEmpty()
                                 ->requiresAtLeastOneElement()
                                 ->scalarPrototype()->end()
                             ->end()
                             ->arrayNode('compression_methods')
                                 ->info('A list of supported compression methods.')
                                 ->useAttributeAsKey('name')
                                 ->defaultValue(['DEF'])
-                                ->cannotBeEmpty()
                                 ->requiresAtLeastOneElement()
                                 ->scalarPrototype()->end()
                             ->end()

src/Bundle/JoseFramework/DependencyInjection/Source/Signature/AbstractSignatureSource.php

@@ -38,7 +38,6 @@ public function getNodeDefinition(NodeDefinition $node)
                                 ->info('A list of supported signature algorithms.')
                                 ->useAttributeAsKey('name')
                                 ->isRequired()
-                                ->cannotBeEmpty()
                                 ->requiresAtLeastOneElement()
                                 ->scalarPrototype()->end()
                             ->end()